Bolster-plate for vehicles.



No. 868,407. PATBNTED 00T. 15, \19`ov.

LBRUADHEAD.

BOLSTER PLATE FOR VEHICLES. A'PPLIOATION rxLnn APB.. 25, 190e.

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TINTTED STATES PATENT OFTCE.

ISAAC RROiiDI'IEAD, OF EAST BRANCH, NEW YORK, ASSIGNOR TO IIIMSELF AND WILLIAM W. BAXTER, OF EAST BRANCH, NEW YORK.

BOLSTER-PLATE FOR VEHICLES.

No. 868,407'. Specification of Letters Patent. Patented Oct. 15, 1907. Application tiled April 25,1906. Serial No. 313,594.

To all ywhom 'it may concern: Y is otherwise rectangular and is provided with apertures Be it known that I, ISAAC BRoAniiEAD, a citizen of 2l adapted to receive bolts 2liL which enter oi pass the United States, and a resident ol East Branch, in the through the bolster D.l At the central or enlarged porcouiity oi Delaware and State ot New York, have ini 5 vented a new and uset'ul Holster-Plate i'or Vehicles, ol` annular groove l.7 is produced, and around the central which the following is a. lull, clear, and exact deportion ol the plate within the said groove anannular scriptioir. rib I8 is formed, having its edge also round or segmen- The invention relates to an improvement in vehicles, tal; and at the central portion of the space surrounded and the purpose oi' the invention is to provide a novel by the rib or tongue 18 a circular opening 20 is formed, 60 l construction ol' bolster plates for the running gear ol having a counter-sunk upper portion 2011. The opening wagons. particularly lumber wagons, whereby the bol- 2() extends through the plate E and that portion of the ster is held rigid and the use ol the king bolt is disopening 2O below the counter sink is of the same diampensed with. which latter' article greatly impairs the eter as the opening l5 in the plate E. The openings strength ol' the axle, and whereby also the bolster can l5 and 20 register when the plates E and E are brought 65 l not be accidentally separated troni the sand bar. together. The plates E and E/ are pivotally connected The invention consists in the novel construction and by a pivot pin E2 which is cast directly in the registercombination oi' the several parts, as will be hereinalter ing openings l5 and 2O and the chamber 15L and couni'ully set t'orth and pointed out iii the claims. tersinl; 20, the liquid metal employed being a compo- Ret'erence is to be had to the accompanying drawings sition which will forni or solidify free ol the walls of the 70 2O iorining a part oi' this specilicatioii7 iii which similar openings in which it is poured, so that While the two characters oi reference indicate corresponding parts in plates aresecurely connected one is practically iree to all the ligures. turn upon the other'.

Figure l is a sectional side elevation ot the i'orward When the plates are thus connected the tongues of axle oi' a vehicle and accompanying parts; Fig. 2 is a the plate E/ enter the grooves in the plate E, and the 75 vertical section taken practically on the line 2 2 ot projections or tongues in the plate E enter the grooves Fig. l; Fig. abottom plan viewoi the plate adapted 2 in the plate Ef, so that one plate will have guided for attachment to a bolster; and Fig. 4 is a plan view oi movement upon the other. Y i the plate adapted Ior attachment to a sand bar. It is evident that under the aloresaid construction tion oi the plate E on the inner face oi said plate, an 55 A represents the l'oi'ward axle ol a vehicle, B the oi bolster plates the bolster can not become discon- 80- i'orward hounds. C the sand bar and D the forward boliiected from the sand bar or' the plates separated until ster'. E and E/ represent the two plates for the bolster, the pin E2 is purposely beheaded. which are to be substituted lor the king bolt. In the drawings I have illustrated the pivot bolt l0 With rei'erenee to the plate E/ shown in Fig. 4 and as connecting the iorward end of the reach with the oradapted to be attached to the sand bar, the said plate ward hounds, and I have l'urther illustrated a brace bai' 85 consists ol' a body ll. which is generally rectangular but 22 having an eye 22a at its rear end through which the is widened at its center. and the said body ll is probolt l() passes; and this brace bar 22 is provided with vided with apertures l2, through which bolts l2*L are an eye 23 at its iorward end, which eye rests upon the passed i'or attaching the plate to the sand bar, At the central ripper' portion oi" the bolster', and a bolt 24 is central portion ol the upper i'aee of the body ll an anpassed through the said upper eye 23. 90 40 nular tongue I3 is formed. the upper edge of which is Having thus described my invention, I claim as'new,

semi-circular or segmental as shown in Figs. 1 and 2, and desire to secure by Letters Patent,-

andA within this annular tongue a circular boss lei is In vehicles, bolsterplates, said plates being provided ormed integral with the bodyv and said boss 14 iS Drowith annuler TOOWS and tongues 0l' lbsr the tongues or ribs of one plate being adapted to enter the grooves 95 vided with a circular opening l5 at its center, which in the @poging plate, md a Connecting pivot pm loose u opening connects with a more extended and preferably the said matos but Cast therein rectangularchamberlinthe bodyportionot theplate. In testimony whereof I have signed my name to this Between the boss 14 and the flange 13 m annulm- Chmp specification in the presence of two subscribing witnesses. nel or groove 1G is foi-ined.

R ith relei ence to the plate E adapted for attachment Wltnesses to the under face oi the bolster D, the said plate E is LE Roy S MALLORYy also enlarged at its center, and the body 18a oi the plate COM B. DENio.

I SAAC BROADHEAD. 

